package com.cai.activiti_demo1.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Service;

import java.io.Serializable;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * @author fxx 扩充版  翻译redis官网命令
 */
@Service
public class RedisService {
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 写入缓存
     *
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 写入缓存设置时效时间
     *
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value, Long expireTime) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 批量删除对应的value
     *
     * @param keys
     */
    public void remove(final String... keys) {
        for (String key : keys) {
            remove(key);
        }
    }

    /**
     * 批量删除key
     *
     * @param pattern
     */
    public void removePattern(final String pattern) {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0)
            redisTemplate.delete(keys);
    }

    /**
     * 删除对应的value
     *
     * @param key
     */
    public void remove(final String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }

    /**
     * 判断缓存中是否有对应的value
     *
     * @param key
     * @return
     */
    public boolean exists(final String key) {
        return redisTemplate.hasKey(key);
    }

    /**
     * 读取缓存
     *
     * @param key
     * @return
     */
    public Object get(final String key) {
        Object result = null;
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        result = operations.get(key);
        return result;
    }


    public void hSet(String key, Object hashKey, Object value) {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key, hashKey, value);
    }


    /**
     * 哈希添加
     *
     * @param key
     * @param keyValueMap
     */
    public void hmSet(String key, Map<Object, Object> keyValueMap) {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.putAll(key, keyValueMap);
    }


    /**
     * 哈希key获取数据
     *
     * @param
     * @param hashKey
     * @return
     */
    public Object hGet(String key, Object hashKey) {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        return hash.get(key, hashKey);
    }

    /***
     * 哈希获取
     * @param hashName
     * @return
     */
    public Object hGetAll(String hashName) {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        return hash.entries(hashName);
    }

    /***
     * 哈希删除指定key
     * @param key map名
     * @param hashKey  键名
     */
    public void hdel(String key, String hashKey) {
        redisTemplate.opsForHash().delete(key, hashKey);
    }

    /**
     * 队列左侧添加
     *
     * @param k
     * @param v
     */
    public void leftPush(String k, Object v) {
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.leftPush(k, v);
    }

    /***
     * 队列右侧获取
     * @param key
     * @param timeout
     * @param unit
     * @return
     */
    public Object rightPop(String key, long timeout, TimeUnit unit) {
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.rightPop(key, timeout, TimeUnit.SECONDS);
    }


    /**
     * 列表获取
     *
     * @param k
     * @param l
     * @param l1
     * @return
     */
    public List<Object> lRange(String k, long l, long l1) {
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k, l, l1);
    }

    /**
     * 集合添加
     *
     * @param key
     * @param value
     */
    public void add(String key, Object value) {
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key, value);
    }

    /**
     * 集合获取
     *
     * @param key
     * @return
     */
    public Set<Object> setMembers(String key) {
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * 有序集合添加
     *
     * @param key
     * @param value
     * @param scoure
     */
    public void zAdd(String key, Object value, double scoure) {
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.add(key, value, scoure);
    }

    /**
     * 有序集合获取
     *
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    public Set<Object> rangeByScore(String key, double scoure, double scoure1) {
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }

    /**
     * 更改K名称
     *
     * @param oldKey
     * @param newKey
     * @return
     */
    public boolean rename(String oldKey, String newKey) {
        if (exists(oldKey)) {
            redisTemplate.rename(oldKey, newKey);
            return true;
        } else {
            return false;
        }
    }

    /**
     * redis发布信息
     *
     * @param channel
     * @param msg
     */
    public void publish(String channel, String msg) {
        this.redisTemplate.convertAndSend(channel, msg);
    }

}
